72 chevy truck wiring harness | eBay www›Search›72 chevy truck wiring harnessFind great deals on eBay for 72 chevy truck wiring harness. Shop with confidence. Skip to main content. eBay Logo: 70 - 72 Chevy Truck Dash Wiring Harness all with Factory Gauges, NEW See more like this. 70 - 72 Chevy Truck Engine Wiring Harness Classic Update Kit - 1969-72 Chevy Truck We Make Wiring Complete Wiring Kit - 1969-72 Truck For. Chevrolet Truck 1969 Chevrolet Truck 1970 Chevrolet Truck 1971 Chevrolet Truck 1972 Kit Features: Replacement headlight switch with internal 30amp circuit breaker included. Retention collar nut, adjustable length shaft, and custom knob are also included.